c8051f020上的send.rar_8051F020_c8051f020_f020

//----------------------------------------------------------------------------- #include <c8051f020.h> // SFR声明 #include <stdio.h> #include <string.h> //----------------------------------------------------------------------------- // sfr定义及全局常量 //----------------------------------------------------------------------------- #define SYSCLK 22118400 // 系统时钟为22118400HZ #define BAUDRATE 9600 // UART0 波特率为19200HZ //#define TX_LENGTH 16 // 接收缓冲器长度为16 sfr16 DP = 0x82; // 数据指针 sfr16 TMR3RL = 0x92; // Timer3 reload value sfr16 TMR3 = 0x94; // Timer3 counter sfr16 RCAP2 = 0xca; // Timer2 capture/reload sfr16 T2 = 0xcc; // Timer2 sfr16 RCAP4 = 0xe4; // Timer4 capture/reload sfr16 T4 = 0xf4; // Timer4 sbit PWR= P1^3; //P0.2 =1 为工作模式;P0.2=0为待机模式 sbit CS = P1^2; //P0.3=0为频道1,载波频率为433MHZ //P0.3=1为频道2,载波频率为315HZ sbit TXEN = P1^4; //P0.4=0为接收模式,P0.4=1为发射模式 sbit LED = P1^6 ; //LED显示发射状态 int i=0; int m=0; int j=0; int k=0; int n=0; int p=0; //bit TI1=0; //bit RI1=0; xdata char sendhead[]={0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa, 0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa, 0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa}; xdata char senddata[100]={0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09, 0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13, 0x14,0x15,0x16,0x17,0x18,0x19,0x1a,0x1b,0x1c,0x1d, 0x1e,0x1f,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27, 0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,0x30,0x31, 0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x3a,0x3b, 0x3c,0x3d,0x3e,0x3f,0x40,0x41,0x42,0x43,0x44,0x45, 0x46,0x47,0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f, 0x50,0x51,0x51,0x52,0x53,0x54,0x55,0x56,0x57,0x58, 0x59,0x5a,0x5b,0x5c,0x5d,0x5e,0x5f,0x60,0x61,0x62}; //----------------------------------------------------------------------------- // 全局变量 //----------------------------------------------------------------------------- //unsigned char xdata sentdata[108]={ //存储空间定义成idata使用内部RAM //unsigned char code *read; //读FLASH //char idata TX_Buf[TX_LENGTH]; //发送缓冲区长度 //----------------------------------------------------------------------------- // 函数声明 //----------------------------------------------------------------------------- void SYSCLK_Init (void); //系统时钟初始化函数声明 void PORT_Init (void); //端口初始化函数声明 void UART_Init (void); //UART初始化函数声明 void UART0_ISR (void); //UART中断服务程序声明 //void SENT_Head (void); void SENT_Datapacket (void); //--------------------------------------------------------------------------- //发送函数 //--------------------------------------------------------------------------- //---------------------------------------------------------------------------- //主函数 //---------------------------------------------------------------------------- void main(void) { WDTCN = 0xde; //禁止看门狗定时器 WDTCN = 0xad; SYSCLK_Init (); PORT_Init (); UART_Init (); PWR = 1; //置nRF401为工作模式 CS = 0; for(k=0;k<1000;k++) {for(i=0;i<100;i++);} //选择载波频率为433MHZ TXEN = 1; i=0; k=0; for(k=0;k<1000;k++) {for(i=0;i<100;i++);} EA = 1 ; ES0=1; LED=1; //绿灯亮表示开始发送数据 //允许全局中断 // RI=0 ; //TI1=0; //SBUF0=0xaa; // TI0=1 ; while (1) //TI0=1; { for(p=0;p<30;p++) {SCON1=0x50; SBUF1=sendhead[p]; while(SCON1==0x50); SCON1=0x50; } for(m=0;m<100;m++) {SCON1=0x50; SBUF1=senddata[m]; while(SCON1==0x50); SCON1=0x50; //for(n=0;n<50000;n++); } //开始发送 // if(m==20) // m=0; //死循环,等待中断防止程序逻辑执行到此跳出, } //接收不到中断，中断到来时根据中断向量表直 //接跳到中断服务程序来执行，执行完再返回到 //----------------------------------------------------------------------------- //时钟初始化 //----------------------------------------------------------------------------- //while(1);这条语句上来继续等待下一个中断。 } void SYSCLK_Init (void) { int i; // 延时计数 OSCXCN = 0x67; // 使用外部时钟22.1184MHz for (i=0; i < 256; i++) ; // 等侍晶振起振 while (!(OSCXCN & 0x80)) ; // 等待晶振稳定 OSCICN = 0x88; // 选择外部晶振作为系统时钟 //CKCON = 0x20; //定时器2使用系统时钟 } //----------------------------------------------------------------------------- // 交叉开关配置 //----------------------------------------------------------------------------- // void PORT_Init(void) { XBR0 = 0x07; //使能UART0 XBR1 = 0x00; XBR2 = 0x44; //使能UART1，使能交叉开关 P0MDOUT |= 0xFD; //RX,即P0.1为漏极开路方式,其它为推挽方式 P1MDOUT |= 0xFD; //p1.6为推挽方式 P1MDIN=0xFF; //非复用方式67页 } //-------------------------------------------------------------------------------------- //UART初始化 //-------------------------------------------------------------------------------------- //-------------------------------------------------------------------------------------- //UART初始化 //-------------------------------------------------------------------------------------- void UART_Init (void) { SCON0=0x50; SCON1=0x50; TCON = 0x40; TMOD=0x20; TH1=-(SYSCLK/BAUDRATE/16); TR1=1; CKCON |=0x10; PCON |=0x80; //TI0=1; // T2CON|=0x30; //RCAP2H=0xFF; //RCAP2L=0xB8;// 波特率为19200 使用系统时钟二分频为时钟源,65536-22118400/2/32/19200=18 //SCON1=0x50; //TI1=0; //TR2=1; } //------------------------------------------------------------------------------------ //UART中断服务程序,中断向量4 //------------------------------------------------------------------------------------ //void UART_ISR (void) interrupt 4 //using 3 //{ // if(TI1==1) //}